op {
  name: "SdcaShrinkL1"
  input_arg {
    name: "weights"
    type: DT_FLOAT
    number_attr: "num_features"
    is_ref: true
  }
  attr {
    name: "num_features"
    type: "int"
    has_minimum: true
  }
  attr {
    name: "l1"
    type: "float"
  }
  attr {
    name: "l2"
    type: "float"
  }
}
